*Maria Luisa Tejada¹, Paterno Castillo², Xiaolong Huang³, Ryoko Senda¹ (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.Scripps Institution of Oceanography University of California San Diego , 3.Guangzhou Institute of Geochemistry, Chinese Academy of Sciences)

*Tomoki Sato¹, Takashi Miyazaki¹, Yoshihiko Tamura¹, James B. Gill², Martin Jutzeler^3,4, Ryoko Senda^5,1, Jun-Ichi Kimura¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.University of California Santa Cruz, 3.National Oceanography Centre, 4.University of Tasmania, 5.Kyushu University)

*Takashi Miyazaki¹, Tomoki Sato¹, Yoshihiko Tamura¹, Jun-Ichi Kimura¹, James B Gill², Cedric Hamelin³, Kenji Horie⁴, Ryoko Senda⁵, Bogdan S. Vaglarov¹, Satoru Haraguchi¹, Qing Chang¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.UCSC, 3.University of Bergen, 4.NIPR, 5.Kyushu University)

*Tomoki Sato¹, Takashi Miyazaki¹, Yoshihiko Tamura¹, James B. Gill², Martin Jutzeler^3,4, Ryoko Senda^5,1, Jun-Ichi Kimura¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.University of California Santa Cruz, 3.National Oceanography Centre, 4.University of Tasmania, 5.Kyushu University)

*Takashi Miyazaki¹, Tomoki Sato¹, Yoshihiko Tamura¹, Jun-Ichi Kimura¹, James B Gill², Cedric Hamelin³, Kenji Horie⁴, Ryoko Senda⁵, Bogdan S. Vaglarov¹, Satoru Haraguchi¹, Qing Chang¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.UCSC, 3.University of Bergen, 4.NIPR, 5.Kyushu University)

*Hiroshi Sato¹, Shiki Machida², Ryoko Senda² (1.School of Business Administration, Senshu University, 2.JAMSTEC)

Takashi Kohama¹, *Kenichirio Sugitani¹, Ryoko Senda², Natsuko Takagi¹, Hiroshi Morimoto¹ (1.Nagoya University, 2.JAMSTEC)